*SUPPORT*
IN: dax lug blicket OUT: PINK YELLOW YELLOW YELLOW
IN: dax OUT: PINK
IN: blicket lug blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki fep OUT: BLUE BLUE BLUE
IN: kiki wif OUT: BLUE BLUE
IN: gazzer lug gazzer OUT: RED RED RED RED
IN: dax lug dax OUT: PINK PINK PINK PINK
IN: kiki lug dax OUT: BLUE PINK PINK PINK
IN: gazzer gazzer OUT: RED RED
IN: gazzer kiki gazzer blicket OUT: RED BLUE RED YELLOW
IN: gazzer fep OUT: RED RED RED
IN: gazzer lug kiki OUT: RED BLUE BLUE BLUE
IN: gazzer OUT: RED
IN: kiki OUT: BLUE

*QUERY*
IN: dax fep wif OUT: PINK PINK PINK PINK PINK PINK
IN: kiki lug kiki OUT: BLUE BLUE BLUE BLUE
IN: blicket fep OUT: YELLOW YELLOW YELLOW
IN: blicket fep wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: kiki blicket OUT: BLUE YELLOW
IN: kiki lug blicket OUT: BLUE YELLOW YELLOW YELLOW
IN: kiki lug gazzer OUT: BLUE RED RED RED
IN: dax gazzer fep wif OUT: PINK RED RED RED PINK RED RED RED
IN: blicket lug kiki OUT: YELLOW BLUE BLUE BLUE
IN: blicket OUT: YELLOW

*GRAMMAR*
gazzer -> RED 
 blicket -> YELLOW 
 kiki -> BLUE 
 dax -> PINK 
 x1 wif -> [x1] [x1] 
 u1 lug u2 -> [u1] [u2] [u2] [u2] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 